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Cisco Certified Design Expert (CCDE v3.0) Written Exam Sample Questions (Q142-Q147):
NEW QUESTION # 142
Refer to the exhibit.
A customer runs OSPF with Area 5 between its aggregation router and an internal router When a network change occurs in the backbone. Area 5 starts having connectivity issues due to the SPF algorithm recalculating an abnormal number of times in Area 5 You are tasked to redesign this network to increase resiliency on the customer network with the caveat that Router B does not support the stub area How can you accomplish this task*?
- A. Set Area 5 to stubby at the ABR anyway
- B. Create a virtual link to Area 0 from Router B to the ABR
- C. Increase the bandwidth on the connection between Router A and Router B
- D. Implement LSA filtering ontheAB, allowing summary routes and preventing more specific routes into Area 5
- E. Turn on LSA throttling on all devices in Area 5
Answer: D
NEW QUESTION # 143
A BGP route reflector in the network is taking longer than expected to coverage during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?
- A. Increase the keepalive timers for each BGP neighbor.
- B. Increase the size of the hold queue.
- C. Decrease the size of the small buffers.
- D. Increase the size of the large buffers.
Answer: B
NEW QUESTION # 144
Refer to the exhibit.
As part of a redesign project, you must predict multicast behavior What happens to the multicast traffic received on the shared tree (*,G), if it is received on the LHR interface indicated*?
- A. It is switched give that no RPF check is performed
- B. It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.
- C. It is switched due to a successful RPF check against the routing table
- D. It is dropped due to an unsuccessful RPF check against the multicast source
Answer: C
NEW QUESTION # 145
An external edge router provides connectivity from a service provider to an enterprise Which two Internet edge best practices meet compliance regulations’? (Choose two )
- A. Implement EBGP to advertise all owned IP blocks.
- B. Enable and use only secure protocols.
- C. Send logs to a centralized logging collection server.
- D. Implement filtenng to control traffic that is sourced from the infrastructure IP space.
- E. Use login banners and interface access lists to restrict administrative access to the system
Answer: B,E
NEW QUESTION # 146
What is an architectural framework created by ETSI that defines standards to decouple network functions from proprietary hardware-based appliances and have them run in software on standard x86 servers?
- A. VNF
- B. NPIV
- C. NFVIS
- D. NFV
Answer: D
NEW QUESTION # 147
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